Learning Objectives.
• Give reasons why risks are high during mixing and loading.
• Tell when you should mix and load pesticides and why.
• Identify features of a good mixing and loading site.
• Explain why using water with a high pH can be a problem and
what you can do about it.
• Describe the proper selection and storage of tools used for
measuring pesticides and opening pesticide containers.
• Describe how exposure concerns during mixing and loading
affect PPE selection.
• Tell how to open pesticide containers and pour out contents so
as to protect yourself from exposure.
• Describe the purpose and benefits of closed-handling systems
for mixing and loading pesticides.
• With respect to emptying pesticide containers:
– List the benefits of fully emptying containers and the
consequences of failing to do so.
– Tell when you should empty a pesticide container using
triple rinsing or the equivalent.
– List precautions you should take when emptying containers.
– Tell where you can find requirements for emptying and
rinsing pesticide containers.
– Outline the steps for triple rinsing and pressure rinsing
plastic containers and for emptying bags.
• Tell what you should do with pesticide containers after mixing
an~ loading.
• Determine which label directions to follow if you mix two or
more pesticides together in the same spray tank.
• List 4 conditions that must exist before you would consider
mixing two or more pesticides in the same spray tank.
• Describe the benefits and potential problems of tank mixing two
or more pesticides.
• Distinguish between compatible and incompatible pesticides.
• With respect to physical and chemical incompatibility:
– Define each.
– Provide examples of each.